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-rw-r--r--getgroups.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/getgroups.c b/getgroups.c
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+/*
+ * Copyright (C) 2002 by Martin Pool
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/**
+ * @file getgroups.c
+ *
+ * Print out the gids of all groups for the current user. This is
+ * like `id -G` on Linux, but it's too hard to find a portable
+ * equivalent.
+ **/
+
+#include "rsync.h"
+
+int main(int argc, char *argv[])
+{
+ int n, i;
+ gid_t list[NGROUPS];
+
+ if ((n = getgroups(NGROUPS, list)) == -1) {
+ perror("getgroups");
+ return 1;
+ }
+
+ for (i = 0; i < n; i++)
+ printf("%u ", list[i]);
+ printf("\n");
+
+ return 0;
+}